Quote:
Originally Posted by zamler
Batteries are not useless in cold weather (or any) they make a major difference in supplying peak loads and make the entire system more efficient by storing wasted energy since a generator can't be shut down and restarted quickly.
But of course they generate exactly zero energy on their own.
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No, my point was they are useless when your saying "use solar, and store it in batteries" when the solar can't give you any energy to put in the batteries. As a combined 1-2 solution, it still doesn't work in January around here. In a place with stable summer/winter lengths of days? Sure, it can be a solution that works. But we can't store all that summer sunlight for winter. I'd love it if we could!